#!@PREFIX@/sbin/runscript
# Copyright 2007-2008 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.

depend()
{
	use hostname
	need localmount
	before logger
	after clock sysctl
	keyword noprefix
}

cleanup_tmp_dir()
{
	local dir=$1

	mkdir -p "${dir}"
	cd "${dir}"
	if yesno ${wipe_tmp:-${WIPE_TMP:-yes}}; then
		ebegin "Wiping ${dir} directory"
		local startopts="-x . -depth" delete="-exec rm -rf -- {} ;"

		if [ "${RC_UNAME}" = "Linux" ]; then
			startopts=". -xdev -depth"
			# busybox find / rm cannot handle --
			delete="-delete"
		fi

		# Faster than find
		rm -rf -- [b-ikm-pr-zA-Z0-9\.]*

		find ${startopts} ! -name . \
			! -path "./lost+found" \
			! -path "./lost+found/*" \
			! -path "./quota.user" \
			! -path "./quota.user/*" \
			! -path "./aquota.user" \
			! -path "./aquota.user/*" \
			! -path "./quota.group" \
			! -path "./quota.group/*" \
			! -path "./aquota.group" \
			! -path "./aquota.group/*" \
			! -path "./journal" \
			! -path "./journal/*" \
			! -path "./.private" \
			! -path "./.private/*" \
			${delete} \
			-type d -prune
		eend 0
	else
		ebegin "Cleaning ${dir} directory"
		rm -rf -- "${dir}"/.X*-lock "${dir}"/esrv* "${dir}"/kio* \
			"${dir}"/jpsock.* "${dir}"/.fam* "${dir}"/.esd* \
			"${dir}"/orbit-* "${dir}"/ssh-* "${dir}"/ksocket-* \
			"${dir}"/.*-unix
		eend 0
	fi
}

start()
{
	if ! mkdir /.test.$$ 2>/dev/null; then
		ewarn "Skipping /var and /tmp initialization (ro root?)"
		return 0
	fi
	rmdir /.test.$$

	# Ensure that our basic dirs exist
	for x in /var/log /var/run /tmp; do
		if ! [ -d "${x}" ]; then
			if ! mkdir -p "${x}"; then
				eend 1 "failed to create needed directory ${x}"
				return 1
			fi
		fi 
	done

	ebegin "Creating user login records"
	cp /dev/null /var/run/utmp
	[ -e /var/log/wtmp ] || cp /dev/null /var/log/wtmp
	chmod 0644 /var/run/utmp /var/log/wtmp
	eend 0

	ebegin "Cleaning /var/run"
	for x in $(find /var/run ! -type d ! -name utmp ! -name random-seed \
		   ! -name ld-elf.so.hints ! -name ld.so.hints);
	do	
		[ ! -f "${x}" ] && continue
		# Do not remove pidfiles of already running daemons
		case "${x}" in
			*.pid)
				start-stop-daemon --test --quiet --stop \
				--pidfile "${x}"
				[ $? -eq 0 ] && continue
				;;
		esac
		rm -f -- "${x}"
	done
	eend 0

	# Clean up /tmp directories
	local tmp=
	for tmp in ${wipe_tmp_dirs-/tmp}; do
		cleanup_tmp_dir "${tmp}"
	done
	chmod +t /tmp /var/tmp

	# Make sure our X11 stuff have the correct permissions
	# Omit the chown as bootmisc is run before network is up
	# and users may be using lame LDAP auth #139411
	rm -rf /tmp/.ICE-unix /tmp/.X11-unix 
	mkdir -p /tmp/.ICE-unix /tmp/.X11-unix
	chmod 1777 /tmp/.ICE-unix /tmp/.X11-unix
	[ -x /sbin/restorecon ] && restorecon /tmp/.ICE-unix /tmp/.X11-unix

	# Create an 'after-boot' dmesg log
	if [ "${RC_SYS}" != "VSERVER" -a "${RC_SYS}" != "OPENVZ" ]; then
		dmesg > /var/log/dmesg
		chmod 640 /var/log/dmesg
	fi

	rm -f /etc/nologin
}

stop()
{
	# Write a halt record if we're shutting down
	case "${RC_RUNLEVEL}" in
		reboot|shutdown) [ "${RC_UNAME}" = "Linux" ] && halt -w;;
	esac

	return 0
}